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He may not have invented the helicopter, but the real man is more than worthy of the myth.

Prior to the introduction of jets, most commercial airplanes were propeller driven, like the DC-3 pictured here. These planes had a limited cruising altitude – and experienced much more turbulence.
NOAA Photo LibraryNovember 25, 2014

Long lines at security checkpoints, tiny plastic cups of soda, small bags of pretzels, planes filled to capacity, fees attached to every amenity – all reflect the realities of 21st century commercial air…

Across the globe, hundreds of species of birds can be seen flying in V-formations. We have long suspected that these formation might help birds fly with less effort. Yet the precise mechanics have remained…